STOCKHOLDERS' EQUITY - Dividends (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Common stock
Dividends declared per share of common stock (in usd per share)	$ 0.46	$ 0.42
Dividends Declared	$ 198	$ 186
Dividends Paid	198	186
Preferred stock
Dividends Declared	33	33
Dividends Paid	$ 38	$ 34
Series B
Preferred stock
Dividends declared per share of preferred stock (in usd per share)	$ 17.29	$ 19.11
Dividends Declared	$ 5	$ 6
Dividends Paid	$ 5	$ 6
Series C
Preferred stock
Dividends declared per share of preferred stock (in usd per share)	$ 17.67	$ 19.50
Dividends Declared	$ 5	$ 6
Dividends Paid	$ 6	$ 6
Series E
Preferred stock
Dividends declared per share of preferred stock (in usd per share)	$ 12.50	$ 12.50
Dividends Declared	$ 6	$ 5
Dividends Paid	$ 6	$ 6
Series F Preferred Stock [Member]
Preferred stock
Dividends declared per share of preferred stock (in usd per share)	$ 0	$ 14.13
Dividends Declared	$ 0	$ 6
Dividends Paid	$ 0	$ 6
Series G
Preferred stock
Dividends declared per share of preferred stock (in usd per share)	$ 10.00	$ 10.00
Dividends Declared	$ 3	$ 3
Dividends Paid	$ 3	$ 3
Series H
Preferred stock
Dividends declared per share of preferred stock (in usd per share)	$ 18.44	$ 18.44
Dividends Declared	$ 7	$ 7
Dividends Paid	$ 7	$ 7
Series I
Preferred stock
Dividends declared per share of preferred stock (in usd per share)	$ 16.25	$ 0
Dividends Declared	$ 7	$ 0
Dividends Paid	$ 11	$ 0